Newtonville is a hamlet in the town of Colonie in Albany County, New York, United States. Located along U.S. Route 9, the hamlet is just south of Latham and north of Loudonville. Colonie Town Hall is located in the hamlet of Newtonville.

Colonie is a town in Albany County, New York, United States. It is the most-populous suburb of Albany, and is the third-largest town in area in Albany County, occupying approximately 11% of the county. Several hamlets exist within the town. As of the 2020 census, the town had a total population of 85,590.